Finding the Fourth Proportional to 21,365,937.18, 29,486,239.11 and 12,073,270.50
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Solution
The fourth proportional to 21,365,937.18, 29,486,239.11 and 12,073,270.50 is: 16,661,817.26
Step by Step Solution
- Step 1: Write the proportion equation
21,365,937.18 : 29,486,239.11 = 12,073,270.50 : x - Step 2: Convert to fraction form
21,365,937.18/29,486,239.11 = 12,073,270.50/x - Step 3: Cross multiply
21,365,937.18x = 29,486,239.11 × 12,073,270.50 - Step 4: Simplify right side
21,365,937.18x = 355,995,340,802,709.25 - Step 5: Solve for x
x = 355,995,340,802,709.25/21,365,937.18 - Step 6: Final answer
x = 16,661,817.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.